‘SportsCenter’ host had been previously warned after referring to Trump in a tweet as a ‘white supremacist’

ESPN suspended network host Jemele Hill for violating its social-media policy, after she advocated a boycott of Dallas Cowboys sponsors who are also ESPN sponsors, according to a person familiar with the situation.

In a statement, ESPN said Ms. Hill has been suspended for two weeks for violating its guidelines for a second time, but provided no further details.